html,
body,
div,
p,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
dd,
ol,
form,
input,
textarea,
th,
td,
span,
select {
    margin: 0;
    padding: 0;
    font-weight: normal;
    // vertical-align: middle;
}

// 取消默认边框样式
button {
    outline: none;
}

ul,
ol {
    list-style: none;
}

table {
    border-spacing: 0;
}

i {
    font-style: normal;
}

// pre 标签的默认样式
pre {
    margin: 0;
    font-family: inherit;
    white-space: pre-wrap;
    word-wrap: break-word;
}